package com.kk.facade;

/**
 * @author 王志强
 * @date 2022-01-05
 */
public class Screne {

    private static final Screne INSTANCE = new Screne();

    private Screne() {
    }

    public static Screne getInstance() {
        return INSTANCE;
    }

    public void on() {
        System.out.println("Screne 开机");
    }

    public void off() {
        System.out.println("Screne 关机");

    }
}
